00468nam 2202507 45000010005000000030023000050050009000280080041000370820008000780720025000860200013001111000022001242600022001462450055001686500025002236500017002486500023002652507StarLibrary Marc Built20180420201711 ||||| |||||||||||amh  a621 adiggital electionics aبدون aFredrick. J. Hill bJOHN WILEY c1981 aIntroduction toswitching theory and logical design adiggital electionics alogic desing aswitching circuits